package com.syr;

/*
如何自定义异常类？
1.继承现有的异常结构：RuntimeException、Exception
2.提供全局常量：serialVersionUID
3.提供重载的构造器
 */
public class MyException extends RuntimeException {
    static final long serialVersionUID = -70348972395766939L;

    public MyException() {

    }

    public MyException(String msg) {
        super(msg);
    }

}
